Sapphire

Sapphire is the gemstone for those born in September. When
someone says sapphire we most often think of a blue gemstone. But, did you know
that sapphire, a form of the mineral corundum, comes in every color but red?Red corundum is called ruby. Sapphire
is the most prized blue gemstone. Its color has been described as velvety blue,
cornflower blue, sometime deep liquid blue. People of ancient Persia believed
that the earth sat on a giant blue sapphire causing the sky to be blue.
Sapphire measures 9 on the mohs scale, making it one of the most durable
gemstones. Besides its beauty its hardness makes it an excellent gemstone for
all jewelry.